Spring-head adjustment for disk crushers



Sept. 8, 1925.

E. B. SYMONS SPRING HEAD ADJUSTMENT FOR DISK GRUS'RS ed Dec. 22 1924 Patentedl Slept. 8.1925. r

UNITED lSTATES 1,553,203' PATENT OFFICE.

mm B. SYHONS, O'F lLOS ANGELES, CALIFORNIA, ASSIGNOB TO SYIONS BROTHERS COMPANY, OF MILWAUKEE, WISCONSIN, A CORPORATION OF SOUTH DAKOTA.

SPRING-HEAD ADJUSTMENT FOB. DSX CBUSHERS.

Application mea December ze, i924. semi No. '157,s1s.

' To all whom it mag concern Be it known t at I, EDGAR B. SYMoNs, a citizen of the United States,"residing at Los Angeles, in the county of Los Angeles and State of California, have invented a certain new and useful Improvement in- Spring-Head Adjustments for Disk Crushers, of which the following is a speclfication.

My invention relates to a head adjustment for disk crushers and particularly to a s ring head adjustment adaptable for use wit horizontal disk Crushers of the type in which a lenticular crushing space is defined by two opposed rotating cupped disks. Other objects avill appear from time to time in the course of the specification and claims.

AI illustrate my invention more or less diagrammatically inthe accompanying drawin s whereinigure 1 is a vertical longitudinal sectlon; Figure 2 is a section on the line 2-,2 of Figure 1; and

igure 3 is a section on the line 3-3 of Fi ure 1. y

ike parts are illustrated by like symbols throughout the specification and drawings.

A is a'hollow shaft adapted to be rotated from a power source'not herein shown and A'. Zone.

B is a solid shaft, within the hollow shaft but inclined to it, also adapted for rotation. Mounted at the extremity of the shaft A is the socket member A1 having the spherical bearing surface A2 and terminating lin .the outwardly projecting flange A1.

Secured to the end of the shaft B is the memberrB1 having a spherical surface B2 provided for example with a spherical babbitting B3. B1 is a circumferential outwardly projecting flange, the entire element having the conic concave surface B5 adapted to support the inner crushing disk C. C1 is any suitable disk engaging washer adapted to be secured for example by means of the bolt C2 to the end of the shaft B and thus to hold the disk in position on the ball member B1.

Positioned av ainst the outer ledge or ,corne'r D of the ange As is the ring member D1 which has the inwardly projecting flange D2 adapted to limit the inward movement of the ring member toward the crushing The ring wardly projecting spring abutments Ds u on which the spiral springsl D4 .are mounte in D1 is provided with out.

pairs about the circumference of 'the ring. D is an angle member the inner edgeof which abuts against the inner corner of the flange A2. It is apertured to ermit the passage of the holding bolts E a out which are spacing sleeves E1 compressed between the angle element D5 and the circumferential ring E2. E1 are removable spacing shims.

Adapted to be held by the bolts E is the contrally apertured disk su porting member G, on which is mounted the outer disk G1 which may may be held in position for example by the outwardly screw threaded locking ring G2 and the inwardl locking screw threaded ring Gs. The headI G is rovided with an outwardly projecting ange or flanges G5 through which ass the bolts E.

Slidable along the mem er D1 and preferably out of contact with it, is the circumfercntial ring H inwardly projecting from which are the outer abutments H1 for the springs D. panded at intervals into the cylindrical members H2, each of which is .in screw threaded relation with one of the bolts E. The outward movement of the ring H may be limited for example by the circumferential stop rin J which is locked in position for examp e by the bolts J1 which pass through' the upper edge of the member D1 as at J2. Y

The tension ofthe springs is sufficient to prevent all relative movement of the opposed disks, except the normal crushing movement caused by their rotation, as long as the material normally crushed passes therebetween. If, however, a piece of iron or similar uncrushable material passes between the disks it will overcome the tension of the springs D1, and will se arate the disks and pass therebetween wit out damaging them.

The springs are all normally of like strength, and it is desirable to avoid the necessity of separatelyl adjusting each spring. necessary with the present structure, since the spring abutment D is held in constantrelation, throughout its periphery, with the member A1, by its engagement, through the This abutment member is ex- Such separate adjustment is unsage of the bolts E. Thus when the structure is set as shown, the tension of the springs is made automatically uniform throughout the circumference of the head. The adjustment can be however, varied by machining ofi' the inner ends of the cylinder members H1.

In order to dismount the spring head it is necessary only to loosen the bolts E until the ring member H contacts the limit ring J. Further extension of the springs is then impossible, they being compressed between fixed abutments, and the spring head can easily be removed.

If the support G and the disk G1 are forced by the interposition of non-crushable material to recede from the cone C the normal adjustment is in no wise disturbed.

The ring H moves as a unit, and, through.

the tubular members H2, moves with it the ring D, and there is no change in the spatial relation between D5 and the flanges G5. Thus the spatial relation of the ring E2, the spacing sleeves E1 and the shims E3 with each other and with the bolts E, the ring Dx5 and the support Gr, is undisturbed.

It will be realized that while I have described and shown a practical and operative device, that nevertheless many changes might be made in the size; shape, number and disposition of parts without departing from the spirit of my invention, and that I wish my disclosure to be taken as in a broad sense illustrative rather than as limiting me to the specific structure described and shown.

I claim:

1. In a disk crushing machine comprising a pair of opposed crushing heads having a normally constant relation, a yielding release adapted to permit relative movement of said crushing heads in response to abnormal compression conditions between the opposed crushing disks, comprising a spring abutment member fixed in relation to one of said disks, a spring abutment axially movable in relation to said disk, a plurality of spiral springs compressed between said abutments and connections between said movable abutment and the opposite disk.

2. In a disk crushing machine comprising a pair of opposed crushing heads having a normally constant relation, a yielding release adapted to permit relative movement of said crushing heads in response to abnormal compression conditions between the opposed crushing disks, comprising a spring abutment member fixed in relation to one of said disks, a spring abutment axially. movable ir elation to said disk, yielding means compressed between said abutments and connections between said movable abutment and the opposite disk.

3. In a disk crushing machine compris-v ing a pair of opposed crushing heads having a normally constant relation, means for adjusting thel normal distance between said heads, and a yielding release adapted to permit relative movement of said crushing heads in response to abnormal compression a pair of shafts, one hollow and the other solid, the solid shaft being positioned within the hollow shaft, a crushing disk carried by said solid shaft, an opposed crushingV disk carried by said hollow shaft and a yielding connection between said hollow shaft and the disk carried thereby.

5. In a disk crushing machine comprising a pair of shafts, one hollow and the other solid, the solid shaft beingpositioned within the hollow shaft, a crushing disk carried by said solid shaft,an opposed crushing disk supported upon said hollow shaft, and means for holding it normally against movement in relation to said hollow shaft, said means being adapted, in response to predetermined conditions of excess pressure in the crushing zone, to permit movement of said disk in relation to said hollow shaft.

6. In a disk crushing machine comprising a pair of shafts, one hollow and the other solid, thesOlidshaft being positioned within the hollow shaft, a crushing disk carried by said solid shaft, an opposed crushing disk supported upon said hollow shaft, and means for holding it normally against movement in relation to said hollow shaft, comprising a spring abutment in fixed relation with-the end of the hollow shaft, an opposed spring abutment in movable relation therewith, and a plurality of springs compressed therebetween.

7. In a disk crushing machine comprising a pair of shafts, one hollow and the other solid, the solid shaft beingl positioned within the hollow shaft, a crushing head at the end of said solid shaft and a crushing disk carried thereby, a crushing head adapted to be supported by the hollow shaft and a crushing disk carried thereby, means for normally drawing said lastl mentioned crushing head and disk toward said first mentioned crushing head and disk, and means adapted to limit their approach.

8. In a disk crushing machine comprising a pair of shafts, one hollow and the other solid, the solid shaft being positioned within the hollow shaft, a crushing head at the end of said solid shaft and a crushing disk carried thereby, acrushing head adapted to be supported by the hollow shaft and a crushing disk carriedthereby, andmeans for holding said last mentioned head and disk normallyin constant relation to the hollow shaft, comprising a plurality of tensional supporting members extending from said head toward said hollow shaft, and securing means therefor associated with the end of said hollow shaft.

9. In a disk crushing machine comprising a pair of shafts, one hollow and the other solid, the solid shaft being positioned Within the hollow shaft, the two shafts being held against rela ive axial movement, a crushing disk carried by the solid shaft, an opposed crushing disk carried by the hollow shaft and a yielding connection between the hollow shaft and the disk carried thereby.

Signed at Chicago, county of Cook and State of Illinois, this 12th day of December, 1924.

EDGAR B. SYMONS. 

